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FM 866 over Ih 20

Ector County, Texas · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

FM 866 over Ih 20 in Ector County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1970, making it 55 years old at the 2025 inventory.
It carries about 3,682 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 84 of the 144 inventoried bridges in Ector County rated fair (58.3%); 0 (0.0%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 259 ft
Location	3.95 Mi E of US 385
NBI structure number	060690000407072
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.

Bridge	Built	Vehicles/day	Condition
Sl 338 Sbml over Yukon Road	2023	69,845	Good
SH 191 Ml & Ebfr over Drain	1983	53,251	Good
Ih 20 over Draw	2007	42,488	Good
IH20 Ml & Sfr over Muskingum Draw	1966	42,127	Fair
SH 191 (42ND St) over Drain	1979	39,059	Fair
Ih 20 over Draw	2007	37,930	Good